use music brainz values from audio files with bottom up refresh

MediaBrowser.Controller/Entities/Studio.cs

@@ -26,5 +26,30 @@ namespace MediaBrowser.Controller.Entities
 
         [IgnoreDataMember]
         public List<ItemByNameCounts> UserItemCountList { get; set; }
+
+        /// <summary>
+        /// Returns the folder containing the item.
+        /// If the item is a folder, it returns the folder itself
+        /// </summary>
+        /// <value>The containing folder path.</value>
+        public override string ContainingFolderPath
+        {
+            get
+            {
+                return Path;
+            }
+        }
+
+        /// <summary>
+        /// Gets a value indicating whether this instance is owned item.
+        /// </summary>
+        /// <value><c>true</c> if this instance is owned item; otherwise, <c>false</c>.</value>
+        public override bool IsOwnedItem
+        {
+            get
+            {
+                return false;
+            }
+        }
     }
 }